Horstmann 24hr 2 Channel Digital Programmer

H21 Horstmann 24hr 2 Channel Digital Programmer


£53.97 ex. vat £64.76 inc. vat

In Stock

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H21 Horstmann 24hr 2 Channel Digital Programmer H21


Horstmann H21XL
Horstmann 24 hour 2 Channel Digital Programmer

The Horstmann 'H' programmers are direct replacements for the older '425' series including the Tiara, Diadem and Coronet.

These second generation programmers offer up to four independent channels and feature improved display and easier programming. The H21 ia a twin circuit programmer with 24 hour programming over independent hot water and central heating channels.

Horstmann Central Heating Programmers
- 5 Year Guarantee
- Unique 4 channel programming
- 3 Amp rated
- Single, Two, Three and Four channel versions
- 24 hour or 7 day programming
- Large, easy to follow LCD displays, give clear programme information
- Up to 3 ON/OFF periods per channel in each 24 hour operation
- On 7 day models different settings for each day of the week
- Programmable Holiday setting can be set in advance of departure for any period of time.
- 1 or 2 hour boost and advance on each channel
- Mains powered with battery back up
- 3 Amp changeover contacts
- The single, two and four channel versions are voltage free as standard, a Volt free Three channel is also available and uses the same backplate as Horstmann's 425 and 5 Series programmers and can plug in as a direct replacement on most models
- Uses the same backplate as the 425 and 5 series programmers - Direct replacement for Diadem and Tiara Programmers

Search Criteria
Group : Central Heating Programmers / Heating Controllers
Sub Group : Digital Central Heating Programmers / Multi Channel Heating Programmers
Description : Horstmann Digital 2 Channel Controller / Horstmann Digital Dual Channel Heating Controller / Horstmann Digital 2 Channel Central Heating Programmer / 24 hour Central Heating Programmer / Two Channel 24 hour Heating Programmer
Code : Horstmann H21 / Horstmann H21XL / Horstmann H21 XL